1 files changed, 20 insertions, 0 deletions
diff --git a/crypto/heimdal/cf/check-var.m4 b/crypto/heimdal/cf/check-var.m4
new file mode 100644
index 0000000..9f37366
--- /dev/null
+++ b/crypto/heimdal/cf/check-var.m4
@@ -0,0 +1,20 @@
+dnl $Id: check-var.m4,v 1.2 1999/03/01 09:52:23 joda Exp $
+dnl
+dnl AC_CHECK_VAR(includes, variable)
+AC_DEFUN(AC_CHECK_VAR, [
+AC_MSG_CHECKING(for $2)
+AC_CACHE_VAL(ac_cv_var_$2, [
+AC_TRY_LINK([extern int $2;
+int foo() { return $2; }],
+	    [foo()],
+	    ac_cv_var_$2=yes, ac_cv_var_$2=no)
+])
+define([foo], [HAVE_]translit($2, [a-z], [A-Z]))
+
+AC_MSG_RESULT(`eval echo \\$ac_cv_var_$2`)
+if test `eval echo \\$ac_cv_var_$2` = yes; then
+	AC_DEFINE_UNQUOTED(foo, 1, [define if you have $2])
+	AC_CHECK_DECLARATION([$1],[$2])
+fi
+undefine([foo])
+])